An Anchorage man spent more than a decade planning and building a micro-hydropower project in his backyard. Now, it can power more than 300 home...

An Anchorage man spent more than a decade planning and building a micro-hydropower project in his backyard. Now, it can power more than 300 home...An Anchorage man spent more than a decade planning and building a micro-hydropower project in his backyard. Now, it can power more than 300 homes.